tyrannical

tyrannical
    adj 1: marked by unjust severity or arbitrary behavior; "the
           oppressive government"; "oppressive laws"; "a tyrannical
           parent"; "tyrannous disregard of human rights" [syn:
           {oppressive}, {tyrannical}, {tyrannous}]
    2: characteristic of an absolute ruler or absolute rule; having
       absolute sovereignty; "an authoritarian regime"; "autocratic
       government"; "despotic rulers"; "a dictatorial rule that
       lasted for the duration of the war"; "a tyrannical
       government" [syn: {authoritarian}, {autocratic},
       {dictatorial}, {despotic}, {tyrannic}, {tyrannical}]
    

Tyrannic \Ty*ran"nic\ (?; 277), Tyrannical \Ty*ran"nic*al\, a.
   [L. tyrannicus, Gr. ?: cf. F. tyrannique. See {Tyrant}.]
   Of or pertaining to a tyrant; suiting a tyrant; unjustly
   severe in government; absolute; imperious; despotic; cruel;
   arbitrary; as, a tyrannical prince; a tyrannical master;
   tyrannical government. "A power tyrannical." --Shak.
   [1913 Webster]

         Our sects a more tyrannic power assume.  --Roscommon.
   [1913 Webster]

         The oppressor ruled tyrannic where he durst. --Pope.
   [1913 Webster] -- {Ty*ran"nic*al*ly}, adv. --
   {Ty*ran"nic*al*ness}, .
   [1913 Webster]
    

39 Moby Thesaurus words for "tyrannical":
      absolute, absolutist, absolutistic, arbitrary, aristocratic,
      arrogant, autarchic, authoritarian, authoritative, autocratic,
      bossy, brutal, despotic, dictatorial, domineering, feudal,
      grinding, harsh, heavy-handed, high-handed, imperative, imperial,
      imperious, lordly, magisterial, magistral, masterful, monocratic,
      oppressive, overbearing, overruling, peremptory, repressive,
      roughshod, severe, strict, suppressive, tyrannous, unjust